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Dr. Grey AI

Condition

Acute Kidney Injury

Acute kidney injury is a sudden drop in kidney function over hours to days, often after reduced blood flow, direct kidney damage, or a urinary blockage. Vitamin E has moderate evidence, with fewer cases of kidney injury reported, and among people in shock, angiotensin II was linked to more coming off dialysis and surviving 28 days. That angiotensin II result came from a follow-up analysis still needing confirmation.

Sources: PMID 29925534

Supplements studied
6
Medicines and peptides
1
Graded outcomes
7
People studied
580

Evidence by supplement

  • Strong
  • Moderate
  • Limited
  • Very limited

6 supplements

Phosphorus: outcomes studied for Acute Kidney Injury
GradeOutcomeEffectSizeStudiesPeopleStudies list
Hyperphosphatemia Management in CKD

Multiple human clinical studies in CKD and dialysis patients demonstrate that dietary phosphorus restriction and modified cooking methods effectively reduce serum phosphorus levels. Improving diet recipes and cooking methods attenuated hyperphosphatemia in peritoneal dialysis patients. Very low protein diets supplemented with keto-analogues also reduced phosphorus burden.

Improves (the measure goes up)Moderate effect5 studies

Studies that measured hyperphosphatemia management in ckd

and 2 more on the Phosphorus page

Vitamin E: outcomes studied for Acute Kidney Injury
GradeOutcomeEffectSizeStudiesPeopleStudies list
Acute Kidney Injury Incidence

Moderate Improvement

Improves (the measure goes down)Moderate effect357 people
CreatinineImproves (the measure goes up)1 study478 people

Studies that measured creatinine

Kidney FunctionImproves (the measure goes up)425 people

Valine

  • Plasma BCAA Levels in Renal Insufficiency: improves
Valine: outcomes studied for Acute Kidney Injury
GradeOutcomeEffectSizeStudiesPeopleStudies list
Plasma BCAA Levels in Renal Insufficiency

Studies in patients with chronic renal insufficiency show altered BCAA metabolism including valine. A randomized crossover study found BCAA-enriched dialysis fluid improved plasma BCAA concentrations. Keto acid-amino acid supplements influenced BCAA metabolism in CKD patients on low-protein diets.

Improves (the measure goes up)Small effect5 studies40 people

Studies that measured plasma bcaa levels in renal insufficiency

and 2 more on the Valine page

Chaga

  • Kidney Damage Risk (Oxalate Nephropathy): worsens
Chaga: outcomes studied for Acute Kidney Injury
GradeOutcomeEffectSizeStudiesPeopleStudies list
Kidney Damage Risk (Oxalate Nephropathy)

A case report documented chaga mushroom-induced oxalate nephropathy presenting as nephrotic syndrome. Chaga contains high levels of oxalates, and excessive consumption may cause kidney injury. This is an adverse effect warranting caution.

Worsens (the measure goes up)Moderate effect3 studies1 person

Studies that measured kidney damage risk (oxalate nephropathy)

East Indian globe thistle

  • Nephroprotection (Drug-Induced Kidney Injury): improves
East Indian globe thistle: outcomes studied for Acute Kidney Injury
GradeOutcomeEffectSizeStudiesPeopleStudies list
Nephroprotection (Drug-Induced Kidney Injury)

In a rat model of cisplatin-induced nephrotoxicity, ethanol extract of S. indicus (150 and 300 mg/kg) significantly reduced elevated serum creatinine and urea levels, restored renal antioxidant enzymes (SOD, catalase, GPx, GSH), and reduced lipid peroxidation. Effects attributed to the plant's antioxidant potential.

Improves (the measure goes down)Moderate effect3 studies

Studies that measured nephroprotection (drug-induced kidney injury)

Danshen

  • Kidney Injury Risk: improves
Danshen: outcomes studied for Acute Kidney Injury
GradeOutcomeEffectSizeStudiesPeopleStudies list
Kidney Injury Risk

In a rat model, tanshinone IIA attenuated contrast-induced nephropathy via Nrf2 antioxidant pathway activation (PMID:29763899). A network pharmacology study with experimental validation explored mechanisms of the danshen-containing formula Shenkang in chronic kidney disease (PMID:31386888). Human clinical data for renal protection is absent.

Improves (the measure goes down)Small effect2 studies

Studies that measured kidney injury risk

Prescription medicines and peptides studied, for context

These are not supplements. Most need a prescription, and some are research compounds with no approved use. They are listed so the supplement evidence above can be read against them.

1 medicine or peptide

Angiotensin II

  • Renal Recovery in AKI: improves
Angiotensin II: outcomes studied for Acute Kidney Injury
GradeOutcomeEffectSizeStudiesPeopleStudies list
Renal Recovery in AKI

Post-hoc ATHOS-3 (n=105): Higher RRT liberation rate and 28-day survival (53% vs 30%, P=0.012) in AKI patients. May preferentially benefit those with renal failure. Requires prospective validation.

Improves (the measure goes up)Moderate effect50 studies

Key findings

  • Hyperphosphatemia Management in CKDPhosphorusImproves (the measure goes up)
  • Acute Kidney Injury IncidenceVitamin EImproves (the measure goes down)
  • Plasma BCAA Levels in Renal InsufficiencyValineImproves (the measure goes up)

Safety notes in the studies

  • This is an adverse effect warranting caution.

The Acute Kidney Injury Recovery Support protocol

2 primary supplements · 5 supporting supplements

See the full protocol

Studies cited

100 studies from PubMed

  1. Phytochemical and nanoparticle-based therapeutic potential of Sphaeranthus indicus against hepatocellular carcinoma via cryptomeridiol targetingFrontiers in Oncology, 2025 · PMID 41323392
  2. HyperphosphatemiaStatPearls, 2025 · PMID 31869067
  3. Angiotensin-II and Thromboembolic Events: A Systematic ReviewPharmacotherapy, 2024 · PMID 39637259
  4. Angiotensin II Is Involved in MLKL Activation During the Development of Heart Failure Following Myocardial Infarction in Rats.Biological & pharmaceutical bulletin, 2024 · PMID 38583954
  5. The Role of Local Angiotensin II/Angiotensin Type 1-receptor Mechanisms in Adipose Tissue Dysfunction to Promote Pancreatic Cancer.Current cancer drug targets, 2024 · PMID 38347780
  6. Chemical Content and Cytotoxic Activity on Various Cancer Cell Lines of Chaga (Inonotus obliquus) Growing on Betula pendula and Betula pubescens.Pharmaceuticals, 2024 · PMID 39204121
  7. Antidiabetic activity of Inonotus obliquus water extract in alloxan-induced diabetic mice.Journal of Complementary & Integrative Medicine, 2024 · PMID 39523023
  8. Therapeutic Potential of Salvia miltiorrhiza Root Extract in Alleviating Cold-Induced ImmunosuppressionInternational Journal of Molecular Sciences, 2024 · PMID 39273376
  9. A botanical extract blend of Mangifera indica and Sphaeranthus indicus combined with resistance exercise training improves muscle strength and endurance over exercise alone in young men: a randomized, blinded, placebo-controlled trialFrontiers in Nutrition, 2024 · PMID 38765822
  10. Comparison of Bioactive Secondary Metabolites and Cytotoxicity of Extracts from Inonotus obliquus Isolates from Different Host Species.Molecules, 2023 · PMID 37446570
  11. A proprietary blend of Sphaeranthus indicus flower head and Mangifera indica bark extracts increases muscle strength and enhances endurance in young male volunteers: a randomized, double-blinded, placebo-controlled trialFood & Nutrition Research, 2023 · PMID 36794013
  12. Roles of autophagy in angiotensin II-induced cardiomyocyte apoptosis.Clinical and experimental pharmacology & physiology, 2022 · PMID 36059129
  13. Triterpenoids as bivalent and dual inhibitors of acetylcholinesterase/butyrylcholinesterase from the fruiting bodies of Inonotus obliquus.Phytochemistry, 2022 · PMID 35427650
  14. Chaga mushroom-induced oxalate nephropathy that clinically manifested as nephrotic syndrome: A case report.Medicine, 2022 · PMID 35451393
  15. Tanshinone I inhibits metastasis of cervical cancer cells by inducing BNIP3/NIX-mediated mitophagy and reprogramming mitochondrial metabolismPhytomedicine, 2022 · PMID 35124382
  16. Salvia miltiorrhiza in cancer: Potential role in regulating MicroRNAs and epigenetic enzymesFrontiers in Pharmacology, 2022 · PMID 36172186
  17. Comparison of Polysaccharides Extracted from Cultivated Mycelium of Inonotus obliquus with Polysaccharide Fractions Obtained from Sterile Conk (Chaga) and Birch Heart Rot.Journal of Fungi, 2021 · PMID 33800424
  18. Phosphate Metabolism in Health and DiseaseCalcified Tissue International, 2021 · PMID 32266417
  19. Prediction of the mechanisms of action of Shenkang in chronic kidney disease: A network pharmacology study and experimental validationJournal of Ethnopharmacology, 2020 · PMID 31386888
  20. Phosphate disorders and clinical management of hypophosphatemia and hyperphosphatemiaEndocrinologia, Diabetes y Nutricion, 2020 · PMID 31501071
  21. Regulation of Skeletal Muscle Function by Amino Acids.Nutrients, 2020 · PMID 31963899
  22. Short-Term Effects of Branched-Chain Amino Acids-Enriched Dialysis Fluid on Branched-Chain Amino Acids Plasma Level and Mass Balance: A Randomized Cross-Over Study.Journal of Renal Nutrition, 2020 · PMID 31078402
  23. Branched-Chain Amino Acid Catabolism Promotes Thrombosis Risk by Enhancing Tropomodulin-3 Propionylation in Platelets.Circulation, 2020 · PMID 32200651
  24. A Novel Dietary Intervention Reduces Circulatory Branched-Chain Amino Acids by 50%: A Pilot Study of Relevance for Obesity and Diabetes.Nutrients, 2020 · PMID 33396718
  25. Branched chain amino acids improve mesenchymal stem cell proliferation, reducing nuclear factor kappa B expression and modulating some inflammatory properties.Nutrition, 2020 · PMID 32799043
  26. Angiotensin II (Giapreza): A Distinct Mechanism for the Treatment of Vasodilatory ShockCardiol Rev, 2019 · PMID 30601161
  27. FDA Approval of Angiotensin II for the Treatment of Hypotension in Adults with Distributive ShockAm J Cardiovasc Drugs, 2019 · PMID 30179724
  28. Association Between Early Response to Angiotensin-II and Mortality in Septic Shock: A Post Hoc Analysis of the ATHOS-III Clinical TrialCrit Care, 2019 · PMID 31061651
  29. Renin-Angiotensin System in the Intensive Care UnitSemin Nephrol, 2019 · PMID 30806453
  30. Simultaneous Use of Stimulatory Agents to Enhance the Production and Hypoglycaemic Activity of Polysaccharides from Inonotus obliquus by Submerged Fermentation.Molecules, 2019 · PMID 31810277
  31. Impact of the Chinese herbal medicines on dual antiplatelet therapy with clopidogrel and aspirin: Pharmacokinetics and pharmacodynamics outcomes and related mechanisms in ratsJournal of Ethnopharmacology, 2019 · PMID 30710735
  32. 7-hydroxyfrullanolide, isolated from Sphaeranthus indicus, inhibits colorectal cancer cell growth by p53-dependent and -independent mechanismCarcinogenesis, 2019 · PMID 30535334
  33. Outcomes in Patients with Vasodilatory Shock and Renal Replacement Therapy Treated with Intravenous Angiotensin IICrit Care Med, 2018 · PMID 29925534
  34. Angiotensin II: a new therapeutic option for vasodilatory shockCrit Care, 2018 · PMID 29958101
  35. Angiotensin II Brings More Questions Than AnswersCrit Care Med, 2018 · PMID 30272566
  36. Angiotensin II and Treatment of High-Output Shock in Human Beings: A Matched Case SeriesClin Pharmacol Ther, 2018 · PMID 29482879
  37. Vasodilatory shock in the ICU and the role of angiotensin II.Current opinion in critical care, 2018 · PMID 29877879
  38. Chaga (Inonotus obliquus), a Future Potential Medicinal Fungus in Oncology? A Chemical Study and a Comparison of the Cytotoxicity Against Human Lung Adenocarcinoma Cells (A549) and Human Bronchial Epithelial Cells (BEAS-2B).Integrative Cancer Therapies, 2018 · PMID 29484963
  39. Tanshinone IIA Attenuates Contrast-Induced Nephropathy via Nrf2 Activation in RatsCellular Physiology and Biochemistry, 2018 · PMID 29763899
  40. Vitamin D and kidney diseaseBone Reports, 2018 · PMID 30591927
  41. Branched-chain amino acids promote endothelial dysfunction through increased reactive oxygen species generation and inflammation.Journal of Cellular and Molecular Medicine, 2018 · PMID 30063118
  42. Diabetes and branched-chain amino acids: What is the link?Journal of Diabetes, 2018 · PMID 29369529
  43. Branched-chain amino acids in health and disease: metabolism, alterations in blood plasma, and as supplements.Nutrition & Metabolism, 2018 · PMID 29755574
  44. Branched Chain Amino Acids: Beyond Nutrition Metabolism.International Journal of Molecular Sciences, 2018 · PMID 29570613
  45. Angiotensin II for the Treatment of Vasodilatory ShockN Engl J Med, 2017 · PMID 28528561
  46. Angiotensin II type 1a receptor-deficient mice develop angiotensin II-induced oxidative stress and DNA damage without blood pressure increase.American journal of physiology. Renal physiology, 2017 · PMID 28877878
  47. Angiotensin II and skeletal muscle abnormalities.Experimental physiology, 2017 · PMID 28568964
  48. Secondary Hyperparathyroidism: Pathogenesis, Diagnosis, Preventive and Therapeutic StrategiesReviews in Endocrine & Metabolic Disorders, 2017 · PMID 28378123
  49. Plant phosphates, phytate and pathological calcifications in chronic kidney diseaseNefrologia, 2017 · PMID 27697413
  50. Branched-Chain Amino Acids and Brain Metabolism.Neurochemical Research, 2017 · PMID 28417264
  51. Phosphate-a poison for humans?Kidney International, 2016 · PMID 27282935
  52. Very low protein diets supplemented with keto-analogues in ESRD predialysis patients and its effect on vascular stiffness and AVF MaturationBMC Nephrology, 2016 · PMID 27644118
  53. Inonotus obliquus - from folk medicine to clinical useJ Tradit Complement Med, 2015 · PMID 26853962
  54. Antiviral activity of aqueous extracts of the birch fungus Inonotus obliquus on the human immunodeficiency virus.Voprosy Virusologii, 2015 · PMID 26182655
  55. Phosphorus: a new cardiovascular risk factor?La Clinica terapeutica, 2015 · PMID 26794822
  56. Improving diet recipe and cooking methods attenuates hyperphosphatemia in patients undergoing peritoneal dialysisNutrition, Metabolism, and Cardiovascular Diseases, 2015 · PMID 26141941
  57. Oxalate nephropathy from excessive Chaga mushroom consumptionJ Nephrol, 2014 · PMID 26425455
  58. Salvia miltiorrhiza: an ancient Chinese herbal medicine as a source for anti-osteoporotic drugsJournal of Ethnopharmacology, 2014 · PMID 25109459
  59. Sphaeranthus indicus (East Indian Globe Thistle) - A promising natural remedy for psoriasisJ Ethnopharmacol, 2014 · PMID 24620985
  60. Canaries in the Phosphate-Toxicity Coal MinesIntegrative Medicine (Encinitas, Calif.), 2014 · PMID 26770122
  61. Anti-oxidant and anti-inflammatory activities of Inonotus obliquus and germinated brown rice extracts.Molecules, 2013 · PMID 23917116
  62. Tanshinone IIA exhibits anticonvulsant activity in zebrafish and mouse seizure modelsACS Chemical Neuroscience, 2013 · PMID 23937066
  63. Sphaeranthus indicus induces apoptosis through mitochondrial-dependent pathway in HL-60 cells and exerts cytotoxic potential on several human cancer cell linesIntegrative Cancer Therapies, 2013 · PMID 22914874
  64. Insulin resistance and the metabolism of branched-chain amino acids.Frontiers of Medicine, 2013 · PMID 23385611
  65. Branched-chain amino acids influence the immune properties of microglial cells and their responsiveness to pro-inflammatory signals.Biochimica et Biophysica Acta, 2013 · PMID 23402925
  66. Effect of Sphaeranthus indicus on cisplatin-induced nephrotoxicity in ratsPharm Biol, 2012 · PMID 22579515
  67. Effect of ethanol extract of Sphaeranthus indicus on cisplatin-induced nephrotoxicity in ratsNatural Product Research, 2012 · PMID 21790496
  68. Phosphate control in peritoneal dialysisContributions to Nephrology, 2012 · PMID 22652727
  69. Antiviral activity of Inonotus obliquus fungus extract towards infection caused by hepatitis C virus in cell cultures.Bulletin of Experimental Biology and Medicine, 2011 · PMID 22462058
  70. Sphaeranthus indicus attenuates testosterone induced prostatic hypertrophy in albino ratsPhytotherapy Research, 2011 · PMID 21503998
  71. Branched-chain amino acids as pharmacological nutrients in chronic liver disease.Hepatology, 2011 · PMID 21563202
  72. Angiotensin (1-7) receptor antagonism equalizes angiotensin II-induced hypertension in male and female spontaneously hypertensive rats.Hypertension (Dallas, Tex. : 1979), 2010 · PMID 20713916
  73. Antitumor activity of water extract of Inonotus obliquusNutr Res Pract, 2010 · PMID 20607084
  74. Sphaeranthus indicus Linn.: A phytopharmacological reviewInt J Ayurveda Res, 2010 · PMID 21369402
  75. Phosphate and carbonate salts of calcium support robust bone building in osteoporosisThe American Journal of Clinical Nutrition, 2010 · PMID 20484446
  76. Antioxidant and antitumor activities of Chaga extract (Inonotus obliquus)Mycobiology, 2009 · PMID 22135902
  77. Effect of point injection of red-sage-root on the hip joint function in ischemic femoral head necrosis patientsZhen Ci Yan Jiu, 2009 · PMID 19526810
  78. Mast cell stabilizing effects of Sphaeranthus indicusJournal of Ethnopharmacology, 2009 · PMID 19330926
  79. Identification of Inonotus obliquus and analysis of antioxidation and antitumor activities of polysaccharides.Current Microbiology, 2008 · PMID 18795365
  80. The skeleton: endocrine regulator of phosphate homeostasisCurrent Osteoporosis Reports, 2008 · PMID 19032923
  81. Angiotensin II-nitric oxide interaction in the kidney.Current opinion in nephrology and hypertension, 2007 · PMID 17143071
  82. Angiotensin II type 2 receptor decreases ischemia reperfusion induced fluid leak.The Journal of surgical research, 2007 · PMID 17291529
  83. Cytotoxic activity of Sphaeranthus indicus extracts and 7-hydroxyfrullanolidePhytother Res, 2007 · PMID 16938399
  84. Application of branched-chain amino acids in human pathological states: renal failure.The Journal of Nutrition, 2006 · PMID 16365103
  85. Branched-chain amino acids: enzyme and substrate regulation.The Journal of Nutrition, 2006 · PMID 16365084
  86. Angiotensin II and renal tubular ion transport.TheScientificWorldJournal, 2005 · PMID 16142301
  87. Angiotensin II, angiotensin II antagonists and spironolactone and their modulation of cardiac repolarization.Trends in pharmacological sciences, 2005 · PMID 15749161
  88. Angiotensin-II behaves as an endogenous pro-inflammatory molecule.The Journal of the Association of Physicians of India, 2005 · PMID 16124358
  89. Protective effects of angiotensin II interruption: evidence for antiinflammatory actions.Pharmacotherapy, 2005 · PMID 16164395
  90. Immunomodulatory activity of the water extract from medicinal mushroom Inonotus obliquusMycobiology, 2005 · PMID 21820502
  91. Effect of magnesium lithospermate B on endothelial cells in human aorta after free radical injuryZhongguo Zhong Xi Yi Jie He Za Zhi, 2004 · PMID 15250206
  92. Phosphorus nutrition and the treatment of osteoporosisMayo Clinic Proceedings, 2004 · PMID 14708952
  93. Cardiac angiotensin II: an intracrine hormone?American journal of hypertension, 2002 · PMID 12460709
  94. Angiotensin II as a mediator of renal tubular transport.Contributions to nephrology, 2001 · PMID 11705291
  95. Angiotensin II induces phenotype-dependent apoptosis in vascular smooth muscle cells.Hypertension (Dallas, Tex. : 1979), 2001 · PMID 11751706
  96. Primary Disorders of Phosphate MetabolismEndotext, 2000 · PMID 25905395
  97. Effect of a keto acid-amino acid supplement on the metabolism and renal elimination of branched-chain amino acids in patients with chronic renal insufficiency on a low protein diet.Wiener klinische Wochenschrift, 2000 · PMID 11244613
  98. Angiotensin II receptor blockers: review of the binding characteristics.The American journal of cardiology, 1999 · PMID 10588088
  99. Attenuation of the protein wasting associated with bed rest by branched-chain amino acids.Nutrition, 1999 · PMID 10467608
  100. Angiotensin II receptors in the kidney.Kidney & blood pressure research, 1998 · PMID 9762845